Current Net Margin
145.08%
White Mountains Insurance Group, Ltd. currently has a net profit margin of 145.08%.
Financial Fundamentals
WTM • Quarterly Data • 5Y View
Historical Margin Data
| Date | Rev ($B) | NI ($B) | Net Margin | Change (bps) |
|---|---|---|---|---|
| 2025-12-31 | 0.58 | 0.84 | 145.08% | ▲13191 |
| 2025-09-30 | 0.86 | 0.11 | 13.17% | ▼466 |
| 2025-06-30 | 0.69 | 0.12 | 17.83% | ▲1197 |
| 2025-03-31 | 0.58 | 0.03 | 5.87% | ▲4229 |
| 2024-12-31 | 0.36 | -0.13 | -36.42% | ▼5520 |
| 2024-09-30 | 0.95 | 0.18 | 18.77% | ▲3258 |
| 2024-06-30 | 0.40 | -0.05 | -13.81% | ▼5033 |
| 2024-03-31 | 0.65 | 0.24 | 36.52% | ▼236 |
| 2023-12-31 | 0.74 | 0.29 | 38.88% | ▲3434 |
| 2023-09-30 | 0.52 | 0.02 | 4.54% | ▼64 |
| 2023-06-30 | 0.38 | 0.02 | 5.18% | ▼2857 |
| 2023-03-31 | 0.53 | 0.18 | 33.75% | ▲2451 |
| 2022-12-31 | 0.44 | 0.04 | 9.23% | ▼22255 |
| 2022-09-30 | 0.38 | 0.89 | 231.78% | ▲45238 |
| 2022-06-30 | 0.08 | -0.17 | -220.60% | ▼23343 |
| 2022-03-31 | 0.26 | 0.03 | 12.83% | ▲345 |
| 2021-12-31 | 0.35 | 0.03 | 9.37% | ▼39258 |
| 2021-09-30 | -0.09 | -0.37 | 401.95% | ▲36150 |
| 2021-06-30 | 0.34 | 0.14 | 40.45% | ▲8271 |
| 2021-03-31 | 0.18 | -0.08 | -42.26% | ▼13619 |
| 2020-12-31 | 0.52 | 0.49 | 93.93% | ▲4325 |
| 2020-09-30 | 0.46 | 0.23 | 50.69% | ▲623 |
| 2020-06-30 | 0.26 | 0.12 | 44.45% | ▼9994 |
| 2020-03-31 | -0.09 | -0.13 | 144.39% | ▲10965 |
| 2019-12-31 | 0.18 | 0.06 | 34.74% | ▲342 |
| 2019-09-30 | 0.16 | 0.05 | 31.32% | ▲1543 |
| 2019-06-30 | 0.13 | 0.02 | 15.89% | ▼4970 |
| 2019-03-31 | 0.43 | 0.28 | 65.59% | ▲235726 |
| 2018-12-31 | 0.01 | -0.14 | -2291.67% | ▼231220 |
| 2018-09-30 | 0.20 | 0.04 | 20.53% | ▲1767 |
| 2018-06-30 | 0.12 | 0.00 | 2.86% | ▲11688 |
| 2018-03-31 | 0.04 | -0.05 | -114.01% | ▼13375 |
| 2017-12-31 | 0.11 | 0.02 | 19.74% | ▼60529 |
| 2017-09-30 | 0.09 | 0.55 | 625.03% | ▲60874 |
| 2017-06-30 | 0.08 | 0.01 | 16.29% | ▼1637 |
| 2017-03-31 | 0.09 | 0.03 | 32.66% | ▲4507 |
| 2016-12-31 | 0.27 | -0.03 | -12.42% | ▼17228 |
| 2016-09-30 | 0.06 | 0.09 | 159.86% | ▼53343 |
| 2016-06-30 | 0.05 | 0.34 | 693.29% | ▲68977 |
| 2016-03-31 | 0.37 | 0.01 | 3.52% | ▼3596 |
| 2015-12-31 | 0.68 | 0.27 | 39.48% | ▲5938 |
| 2015-09-30 | 0.30 | -0.06 | -19.89% | ▼2106 |
| 2015-06-30 | 0.37 | 0.00 | 1.17% | ▼2035 |
| 2015-03-31 | 0.39 | 0.08 | 21.52% | ▲1137 |
| 2014-12-31 | 0.69 | 0.07 | 10.15% | ▼572 |
| 2014-09-30 | 0.32 | 0.05 | 15.87% | ▲125 |
| 2014-06-30 | 0.65 | 0.10 | 14.62% | ▼188 |
| 2014-03-31 | 0.58 | 0.10 | 16.50% | ▼231 |
| 2013-12-31 | 0.63 | 0.12 | 18.82% | ▲885 |
| 2013-09-30 | 0.57 | 0.06 | 9.96% | ▲459 |
| 2013-06-30 | 0.49 | 0.03 | 5.38% | ▼1382 |
| 2013-03-31 | 0.63 | 0.12 | 19.19% | ▲715 |
| 2012-12-31 | 0.57 | 0.07 | 12.04% | ▲930 |
| 2012-09-30 | 0.70 | 0.02 | 2.74% | ▼207 |
| 2012-06-30 | 0.54 | 0.03 | 4.81% | ▼1009 |
| 2012-03-31 | 0.63 | 0.09 | 14.90% | ▼11991 |
| 2011-12-31 | 0.59 | 0.80 | 134.80% | ▲13795 |
| 2011-09-30 | 0.50 | -0.02 | -3.15% | ▼526 |
| 2011-06-30 | 0.55 | 0.01 | 2.11% | ▲744 |
| 2011-03-31 | 0.53 | -0.03 | -5.32% | ▼1471 |
| 2010-12-31 | 0.78 | 0.07 | 9.38% | ▲18 |
| 2010-09-30 | 0.55 | 0.05 | 9.20% | ▲884 |
| 2010-06-30 | 0.69 | 0.00 | 0.36% | ▲418 |
| 2010-03-31 | 1.04 | -0.04 | -3.82% | ▼1323 |
| 2009-12-31 | 1.06 | 0.10 | 9.42% | ▼386 |
| 2009-09-30 | 1.20 | 0.16 | 13.27% | ▼152 |
| 2009-06-30 | 1.22 | 0.18 | 14.79% | ▲1166 |
| 2009-03-31 | 0.97 | 0.03 | 3.14% | ▲6209 |
| 2008-12-31 | 0.36 | -0.21 | -58.96% | ▼1418 |
| 2008-09-30 | 0.62 | -0.28 | -44.77% | ▼4389 |
| 2008-06-30 | 1.04 | -0.01 | -0.89% | ▲517 |
| 2008-03-31 | 0.94 | -0.06 | -6.06% | ▼1448 |
| 2007-12-31 | 1.20 | 0.10 | 8.42% | ▼122 |
| 2007-09-30 | 1.16 | 0.11 | 9.64% | ▲117 |
| 2007-06-30 | 1.21 | 0.10 | 8.48% | ▲57 |
| 2007-03-31 | 1.17 | 0.09 | 7.91% | ▼1428 |
| 2006-12-31 | 1.35 | 0.30 | 22.18% | ▲852 |
| 2006-09-30 | 1.19 | 0.16 | 13.67% | ▲402 |
| 2006-06-30 | 1.20 | 0.12 | 9.64% | ▲57 |
| 2006-03-31 | 1.06 | 0.10 | 9.08% | ▲593 |
| 2005-12-31 | 1.06 | 0.03 | 3.15% | ▲878 |
| 2005-09-30 | 1.18 | -0.07 | -5.63% | ▼1817 |
| 2005-06-30 | 1.17 | 0.15 | 12.54% | ▼185 |
| 2005-03-31 | 1.23 | 0.18 | 14.39% | ▲118 |
| 2004-12-31 | 1.25 | 0.16 | 13.20% | ▲1407 |
| 2004-09-30 | 1.16 | -0.01 | -0.87% | ▼1592 |
| 2004-06-30 | 1.12 | 0.17 | 15.06% | ▲571 |
| 2004-03-31 | 1.02 | 0.10 | 9.34% | ▼518 |
| 2003-12-31 | 1.01 | 0.15 | 14.53% | ▲1062 |
| 2003-09-30 | 0.91 | 0.04 | 3.91% | ▼486 |
| 2003-06-30 | 0.96 | 0.08 | 8.77% | ▼176 |
| 2003-03-31 | 0.97 | 0.10 | 10.53% | ▲599 |
| 2002-12-31 | 0.99 | 0.04 | 4.54% | ▼49 |
| 2002-09-30 | 1.08 | 0.05 | 5.03% | ▲568 |
| 2002-06-30 | 1.01 | -0.01 | -0.65% | ▼6099 |
| 2002-03-31 | 1.09 | 0.66 | 60.34% | ▲7176 |
| 2001-12-31 | 1.19 | -0.14 | -11.42% | ▼909 |
| 2001-09-30 | 1.34 | -0.03 | -2.33% | ▲1751 |
| 2001-06-30 | 0.55 | -0.11 | -19.84% | ▼3092 |
| 2001-03-31 | 0.15 | 0.02 | 11.08% | ▲3976 |
| 2000-12-31 | 0.06 | -0.02 | -28.68% | ▼10732 |
| 2000-09-30 | 0.55 | 0.43 | 78.65% | ▲7877 |
| 2000-06-30 | 0.16 | -0.00 | -0.12% | ▲662 |
| 2000-03-31 | 0.08 | -0.01 | -6.74% | ▼1913 |
| 1999-12-31 | 0.13 | 0.02 | 12.40% | ▼84 |
| 1999-09-30 | 0.11 | 0.01 | 13.24% | ▼2521 |
| 1999-06-30 | 0.20 | 0.08 | 38.45% | ▲2757 |
| 1999-03-31 | 0.13 | 0.01 | 10.87% | ▲349 |
| 1998-12-31 | 0.13 | 0.01 | 7.38% | ▼2844 |
| 1998-09-30 | 0.15 | 0.05 | 35.82% | ▲2393 |
| 1998-06-30 | 0.06 | 0.01 | 11.89% | ▼6264 |
| 1998-03-31 | 0.05 | 0.04 | 74.53% | ▲521 |
| 1997-12-31 | 0.04 | 0.02 | 69.32% | ▲5299 |
| 1997-09-30 | 0.10 | 0.02 | 16.33% | ▲2258 |
| 1997-06-30 | 0.09 | -0.01 | -6.24% | ▼1161 |
| 1997-03-31 | 0.09 | 0.00 | 5.37% | ▲7621 |
| 1996-12-31 | 0.04 | -0.03 | -70.84% | ▼7503 |
| 1996-09-30 | 0.09 | 0.00 | 4.19% | ▲2 |
| 1996-06-30 | 0.08 | 0.00 | 4.16% | ▼2064 |
| 1996-03-31 | 0.12 | 0.03 | 24.81% | — |
* Basis Point (bps) change measures sequential efficiency shifts. 100 bps = 1.00% Margin change.